:root {
    --teklo-primary: #4f46e5;
    --teklo-primary-dark: #4338ca;
    --teklo-accent: #06b6d4;
    --teklo-success: #10b981;
    --teklo-danger: #ef4444;
    --teklo-surface: #ffffff;
    --teklo-bg: #f1f5f9;
    --teklo-text: #0f172a;
    --teklo-muted: #64748b;
    --teklo-border: #e2e8f0;
    --teklo-radius: 16px;
    --teklo-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
    --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--teklo-text);
    -webkit-font-smoothing: antialiased;
}

.brand-logo-img {
    object-fit: contain;
    flex-shrink: 0;
}

.app-sidebar-brand .brand-logo-img,
.navbar-brand .brand-logo-img {
    width: 36px;
    height: 36px;
}

/* Auth pages */
.auth-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 40%, #312e81 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
}

.auth-page::before,
.auth-page::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    pointer-events: none;
}

.auth-page::before {
    width: 400px;
    height: 400px;
    background: var(--teklo-primary);
    top: -100px;
    right: -100px;
}

.auth-page::after {
    width: 300px;
    height: 300px;
    background: var(--teklo-accent);
    bottom: -50px;
    left: -50px;
}

.auth-wrapper {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.auth-card {
    background: var(--teklo-surface);
    border-radius: var(--teklo-radius);
    box-shadow: var(--teklo-shadow);
    padding: 2.5rem 2rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 576px) {
    .auth-card {
        padding: 2.75rem 2.5rem;
    }
}

.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-brand-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--teklo-primary), var(--teklo-accent));
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
}

.auth-brand h1 {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 0.25rem;
    letter-spacing: -0.02em;
}

.auth-brand p {
    color: var(--teklo-muted);
    font-size: 0.9rem;
    margin: 0;
}

.auth-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--teklo-primary);
    background: rgba(79, 70, 229, 0.1);
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    margin-top: 0.5rem;
}

.form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--teklo-text);
    margin-bottom: 0.4rem;
}

.form-control {
    border: 1.5px solid var(--teklo-border);
    border-radius: 10px;
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--teklo-primary);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.12);
}

.input-group-text {
    background: var(--teklo-bg);
    border: 1.5px solid var(--teklo-border);
    border-right: none;
    border-radius: 10px 0 0 10px;
    color: var(--teklo-muted);
}

.input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.input-group:focus-within .input-group-text,
.input-group:focus-within .form-control {
    border-color: var(--teklo-primary);
}

.btn-teklo {
    background: linear-gradient(135deg, var(--teklo-primary), var(--teklo-primary-dark));
    border: none;
    color: #fff;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    width: 100%;
    transition: transform 0.15s, box-shadow 0.2s;
}

.btn-teklo:hover {
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.4);
}

.btn-teklo:active {
    transform: translateY(0);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.85rem;
    color: var(--teklo-muted);
}

.auth-footer a {
    color: var(--teklo-primary);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.alert-teklo {
    border-radius: 10px;
    font-size: 0.9rem;
    border: none;
}

.password-toggle {
    cursor: pointer;
    border-left: none !important;
    border-radius: 0 10px 10px 0 !important;
}